[WebBlobRegistry] Use char* than WebThreadSafeData

content/test/mock_webblob_registry_impl.h

Index: content/test/mock_webblob_registry_impl.h
diff --git a/content/test/mock_webblob_registry_impl.h b/content/test/mock_webblob_registry_impl.h
index 41fb66d73f6c31dc7962f243fb8f19c7974fb67f..9e3c35e06a6db487006a331e19876643e9f29e2e 100644
--- a/content/test/mock_webblob_registry_impl.h
+++ b/content/test/mock_webblob_registry_impl.h
@@ -8,6 +8,10 @@
 #include "base/macros.h"
 #include "third_party/WebKit/public/platform/WebBlobRegistry.h"
 
+namespace blink {
+class WebThreadSafeData;
+}  // namespace blink
+
 namespace content {
 
 class MockWebBlobRegistryImpl : public blink::WebBlobRegistry {
@@ -28,8 +32,11 @@ class MockWebBlobRegistryImpl : public blink::WebBlobRegistry {
                                  const blink::WebString& content_type);
   virtual void registerStreamURL(const blink::WebURL& url,
                                  const blink::WebURL& src_url);
+  // TODO(tyoshino): Remove once removed in Blink side.
   virtual void addDataToStream(const blink::WebURL& url,
                                blink::WebThreadSafeData& data);
+  virtual void addDataToStream(const blink::WebURL& url,
+                               const char* data, size_t length);
   virtual void finalizeStream(const blink::WebURL& url);
   virtual void abortStream(const blink::WebURL& url);
   virtual void unregisterStreamURL(const blink::WebURL& url);